/* ============================================================
   Parebrise34 ERP — Design system « Slate & Signal »
   Slate clair · plat · accent bleu enseigne · mobile-first · Bootstrap 5 étendu
   ============================================================ */

:root {
    /* Marque — bleu enseigne */
    --glass-primary:       #2563eb;   /* blue-600 */
    --glass-primary-dark:  #1d4ed8;   /* blue-700 — hover */
    --glass-primary-700:   #1e40af;   /* blue-800 — actif */
    --glass-accent:        #3b82f6;   /* blue-500 — reflets / actif */
    --glass-ink:           #0f172a;
    --glass-body:          #334155;
    --glass-muted:         #64748b;
    --glass-line:          #e2e8f0;   /* slate-200 */

    /* Shell */
    --glass-sidebar-w:     264px;
    --glass-topbar-h:      74px;
    --glass-radius:        10px;
    --glass-radius-sm:     8px;
    --glass-shadow:        0 1px 2px rgba(15,23,42,.04), 0 4px 12px -6px rgba(15,23,42,.08);
    --glass-shadow-sm:     0 1px 2px rgba(15,23,42,.05);

    /* Override Bootstrap → bleu partout */
    --bs-primary:          #2563eb;
    --bs-primary-rgb:      37,99,235;
    --bs-primary-text-emphasis: #1e40af;
    --bs-primary-bg-subtle:     #eff6ff;
    --bs-primary-border-subtle: #bfdbfe;
    --bs-link-color:       #2563eb;
    --bs-link-color-rgb:   37,99,235;
    --bs-link-hover-color: #1d4ed8;
    --bs-body-color:       #334155;
    --bs-border-color:     #e2e8f0;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #f8fafc;
    color: var(--glass-body);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -.006em;
}

/* ── Topbar (blanc plein) ────────────────────────────────── */
.topbar {
    height: var(--glass-topbar-h);
    background: #ffffff;
    border-bottom: 1px solid var(--glass-line);
    display: flex;
    align-items: center;
    padding: 0 1.1rem;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1030;
}

.topbar-brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--glass-primary-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: .5rem;
    letter-spacing: -.02em;
}
.topbar-brand i { color: var(--glass-primary); }
.topbar-brand span { color: var(--glass-muted); font-weight: 500; font-size: .8rem; }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: .75rem; }

/* ── Sidebar (claire) ────────────────────────────────────── */
.sidebar {
    width: var(--glass-sidebar-w);
    background: #ffffff;
    position: fixed;
    top: var(--glass-topbar-h);
    left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 1020;
    transition: transform .25s ease;
    padding: .5rem .625rem 2rem;
    border-right: 1px solid var(--glass-line);
}

.sidebar-section {
    padding: 1.1rem .75rem .35rem;
    font-size: .64rem;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: #94a3b8;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .6rem .75rem;
    margin: .1rem 0;
    color: #475569;
    text-decoration: none;
    font-size: .862rem;
    font-weight: 500;
    border-radius: 8px;
    transition: background .15s, color .15s;
    position: relative;
}

.sidebar-link i { width: 18px; text-align: center; opacity: .9; font-size: 1rem; }

.sidebar-link:hover { background: #f1f5f9; color: var(--glass-ink); }

.sidebar-link.active {
    background: #eff6ff;
    color: var(--glass-primary-dark);
    font-weight: 600;
}
.sidebar-link.active i { opacity: 1; color: var(--glass-primary); }
.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: -.625rem; top: 8px; bottom: 8px;
    width: 3px;
    background: var(--glass-primary);
    border-radius: 0 3px 3px 0;
}

/* ── Main ────────────────────────────────────────────────── */
.main-content {
    margin-left: var(--glass-sidebar-w);
    margin-top: var(--glass-topbar-h);
    padding: 1.75rem;
    min-height: calc(100vh - var(--glass-topbar-h));
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
    border: 1px solid var(--glass-line);
    border-radius: var(--glass-radius);
    box-shadow: var(--glass-shadow);
    background: #fff;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--glass-line);
    border-radius: var(--glass-radius) var(--glass-radius) 0 0 !important;
    font-weight: 650;
    color: var(--glass-ink);
    padding: .9rem 1.2rem;
}

/* Surface accentuée optionnelle (ex. formulaire facture) */
.card-glass {
    background: #fff;
    border: 1px solid var(--bs-primary-border-subtle);
}
.card-glass .card-header {
    background: var(--bs-primary-bg-subtle);
    border-bottom-color: var(--bs-primary-border-subtle);
}

/* ── Stat cards ──────────────────────────────────────────── */
.stat-card {
    border-radius: var(--glass-radius);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    background: #fff;
    color: var(--glass-ink);                 /* défaut: texte foncé (bloc bordure) */
    border: 1px solid var(--glass-line);
    box-shadow: var(--glass-shadow-sm);
    transition: box-shadow .15s, transform .15s;
}
.stat-card:hover { box-shadow: var(--glass-shadow); transform: translateY(-1px); }
.stat-card .stat-icon { font-size: 2.6rem; opacity: .26; position: absolute; right: 1rem; bottom: .5rem; }
.stat-card .stat-value { font-size: 2rem; font-weight: 750; letter-spacing: -.02em; }
.stat-card .stat-label { font-size: .8rem; opacity: .8; }

/* Blocs à FOND plein → texte blanc (aplats plats) */
.stat-blue, .stat-green, .stat-orange, .stat-red, .stat-purple, .stat-teal,
.stat-card.text-white {
    color: #fff;
    border-color: transparent;
    box-shadow: 0 1px 2px rgba(15,23,42,.06), 0 6px 16px -10px rgba(15,23,42,.25);
}
.stat-blue   { background: #2563eb; }
.stat-green  { background: #059669; }
.stat-orange { background: #d97706; }
.stat-red    { background: #dc2626; }
.stat-purple { background: #7c3aed; }
.stat-teal   { background: #0891b2; }

/* ── Boutons ─────────────────────────────────────────────── */
.btn { border-radius: var(--glass-radius-sm); font-weight: 550; letter-spacing: -.01em; }
.btn-sm { border-radius: 6px; }

.btn-primary {
    --bs-btn-bg: #2563eb;
    --bs-btn-border-color: #2563eb;
    --bs-btn-hover-bg: #1d4ed8;
    --bs-btn-hover-border-color: #1d4ed8;
    --bs-btn-active-bg: #1e40af;
    --bs-btn-active-border-color: #1e40af;
    --bs-btn-disabled-bg: #2563eb;
    --bs-btn-disabled-border-color: #2563eb;
    box-shadow: 0 1px 2px rgba(15,23,42,.08);
}
.btn-outline-primary {
    --bs-btn-color: #1d4ed8;
    --bs-btn-border-color: #bfdbfe;
    --bs-btn-hover-bg: #2563eb;
    --bs-btn-hover-border-color: #2563eb;
    --bs-btn-active-bg: #1d4ed8;
    --bs-btn-active-border-color: #1d4ed8;
}

/* ── Tables ──────────────────────────────────────────────── */
.table { margin-bottom: 0; --bs-table-bg: transparent; }
.table th {
    font-size: .72rem; font-weight: 650; text-transform: uppercase;
    letter-spacing: .05em; color: var(--glass-muted);
    border-bottom: 1px solid var(--glass-line);
    padding-top: .85rem; padding-bottom: .85rem;
}
.table td { vertical-align: middle; font-size: .875rem; border-color: #eef2f6; }
.table-hover tbody tr:hover { background: rgba(37,99,235,.04); }

/* ── Badges ──────────────────────────────────────────────── */
.badge { font-weight: 600; border-radius: 6px; letter-spacing: .01em; }
.text-bg-primary, .badge.bg-primary { background-color: #2563eb !important; }

/* ── Forms ───────────────────────────────────────────────── */
.form-control, .form-select {
    border-radius: var(--glass-radius-sm);
    border: 1px solid #e2e8f0;
    font-size: .875rem;
    padding: .5rem .75rem;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--glass-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.14);
}
.form-label { font-size: .8rem; font-weight: 600; color: #475569; margin-bottom: .3rem; }
.form-check-input:checked { background-color: var(--glass-primary); border-color: var(--glass-primary); }
.form-check-input:focus { border-color: var(--glass-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.14); }
.input-group-text { background: #f8fafc; border-color: #e2e8f0; color: var(--glass-muted); border-radius: var(--glass-radius-sm); }

/* ── Alerts ──────────────────────────────────────────────── */
.alert { border-radius: var(--glass-radius); border: 1px solid transparent; }

/* ── Page header ─────────────────────────────────────────── */
.page-header { margin-bottom: 1.6rem; }
.page-header h1, h1.h3 {
    font-size: 1.4rem; font-weight: 750; color: var(--glass-ink);
    margin: 0; letter-spacing: -.025em;
}
.breadcrumb { font-size: .8rem; margin-bottom: 0; }
.breadcrumb a { color: var(--glass-primary-dark); text-decoration: none; }

/* ── Dropdown ────────────────────────────────────────────── */
.dropdown-menu { border: 1px solid var(--glass-line); border-radius: 12px; box-shadow: var(--glass-shadow); padding: .35rem; }
.dropdown-item { border-radius: 8px; font-size: .875rem; padding: .5rem .75rem; }
.dropdown-item:active { background: var(--glass-primary); }

/* ── Modal ───────────────────────────────────────────────── */
.modal-content { border: 1px solid var(--glass-line); border-radius: 16px; box-shadow: 0 24px 60px -20px rgba(15,23,42,.35); }
.modal-header, .modal-footer { border-color: var(--glass-line); }

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 767.98px) {
    :root { --glass-sidebar-w: 0px; }
    .sidebar { transform: translateX(-264px); width: 264px; }
    .sidebar.open { transform: translateX(0); box-shadow: 4px 0 28px rgba(15,23,42,.18); }
    .main-content { margin-left: 0; padding: 1rem .8rem; }
    .stat-card .stat-value { font-size: 1.5rem; }
    .table-responsive { font-size: .8rem; }
    .page-header h1, h1.h3 { font-size: 1.15rem; }
}

/* ── Sidebar overlay mobile ──────────────────────────────── */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 1019; }
.sidebar-overlay.show { display: block; }

/* ── Login (plat) ────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: #f1f5f9;
    display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.login-card {
    background: #ffffff;
    border: 1px solid var(--glass-line);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%; max-width: 420px;
    box-shadow: 0 10px 30px -12px rgba(15,23,42,.15);
}
.login-logo {
    font-size: 1.9rem; font-weight: 850;
    color: var(--glass-primary-dark);
    text-align: center; margin-bottom: 1.5rem; letter-spacing: -.03em;
}

/* ── Scrollbar ───────────────────────────────────────────── */
.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }

/* ── Animations ──────────────────────────────────────────── */
.fade-in { animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }